Remove the unused parts of PPB_PDF

components/pdf/renderer/pdf_resource_util.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/pdf/renderer/pdf_resource_util.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "components/strings/grit/components_strings.h"
 #include "grit/components_scaled_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
-namespace {
-
-struct ResourceImageInfo {
-  PP_ResourceImage pp_id;
-  int res_id;
-};
-
-static const ResourceImageInfo kResourceImageMap[] = {
-    {PP_RESOURCEIMAGE_PDF_BUTTON_FTP, IDR_PDF_BUTTON_FTP},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER, IDR_PDF_BUTTON_FTP_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED, IDR_PDF_BUTTON_FTP_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_FTW, IDR_PDF_BUTTON_FTW},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER, IDR_PDF_BUTTON_FTW_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED, IDR_PDF_BUTTON_FTW_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END, IDR_PDF_BUTTON_ZOOMIN_END},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER,
-     IDR_PDF_BUTTON_ZOOMIN_END_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED,
-     IDR_PDF_BUTTON_ZOOMIN_END_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN, IDR_PDF_BUTTON_ZOOMIN},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER, IDR_PDF_BUTTON_ZOOMIN_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED, IDR_PDF_BUTTON_ZOOMIN_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT, IDR_PDF_BUTTON_ZOOMOUT},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER, IDR_PDF_BUTTON_ZOOMOUT_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED,
-     IDR_PDF_BUTTON_ZOOMOUT_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE, IDR_PDF_BUTTON_SAVE},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER, IDR_PDF_BUTTON_SAVE_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED, IDR_PDF_BUTTON_SAVE_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT, IDR_PDF_BUTTON_PRINT},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER, IDR_PDF_BUTTON_PRINT_HOVER},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED, IDR_PDF_BUTTON_PRINT_PRESSED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED, IDR_PDF_BUTTON_PRINT_DISABLED},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_0, IDR_PDF_THUMBNAIL_0},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_1, IDR_PDF_THUMBNAIL_1},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_2, IDR_PDF_THUMBNAIL_2},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_3, IDR_PDF_THUMBNAIL_3},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_4, IDR_PDF_THUMBNAIL_4},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_5, IDR_PDF_THUMBNAIL_5},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_6, IDR_PDF_THUMBNAIL_6},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_7, IDR_PDF_THUMBNAIL_7},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_8, IDR_PDF_THUMBNAIL_8},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_9, IDR_PDF_THUMBNAIL_9},
-    {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_NUM_BACKGROUND,
-     IDR_PDF_THUMBNAIL_NUM_BACKGROUND},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_0, IDR_PDF_PROGRESS_BAR_0},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_1, IDR_PDF_PROGRESS_BAR_1},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_2, IDR_PDF_PROGRESS_BAR_2},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_3, IDR_PDF_PROGRESS_BAR_3},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_4, IDR_PDF_PROGRESS_BAR_4},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_5, IDR_PDF_PROGRESS_BAR_5},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6, IDR_PDF_PROGRESS_BAR_6},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7, IDR_PDF_PROGRESS_BAR_7},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8, IDR_PDF_PROGRESS_BAR_8},
-    {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND,
-     IDR_PDF_PROGRESS_BAR_BACKGROUND},
-    {PP_RESOURCEIMAGE_PDF_PAGE_INDICATOR_BACKGROUND,
-     IDR_PDF_PAGE_INDICATOR_BACKGROUND},
-    {PP_RESOURCEIMAGE_PDF_PAGE_DROPSHADOW, IDR_PDF_PAGE_DROPSHADOW},
-    {PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON, IDR_PDF_PAN_SCROLL_ICON},
-};
-
-}  // namespace
-
 namespace pdf {
 
-gfx::ImageSkia* GetImageResource(PP_ResourceImage image_id) {
-  int resource_id = 0;
-  for (size_t i = 0; i < arraysize(kResourceImageMap); ++i) {
-    if (kResourceImageMap[i].pp_id == image_id) {
-      resource_id = kResourceImageMap[i].res_id;
-      break;
-    }
-  }
-
-  return resource_id ? ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
-                           resource_id)
-                     : NULL;
-}
-
 std::string GetStringResource(PP_ResourceString string_id) {
   int resource_id = 0;
   switch (string_id) {
     case PP_RESOURCESTRING_PDFGETPASSWORD:
       resource_id = IDS_PDF_NEED_PASSWORD;
       break;
     case PP_RESOURCESTRING_PDFLOADING:
       resource_id = IDS_PDF_PAGE_LOADING;
       break;
     case PP_RESOURCESTRING_PDFLOAD_FAILED:
       resource_id = IDS_PDF_PAGE_LOAD_FAILED;
       break;
     case PP_RESOURCESTRING_PDFPROGRESSLOADING:
       resource_id = IDS_PDF_PROGRESS_LOADING;
       break;
   }
 
-  return base::UTF16ToUTF8(l10n_util::GetStringUTF16(resource_id));
+  return l10n_util::GetStringUTF8(resource_id);
 }
 
 }  // namespace pdf